headfree.com.cn - robtex.com
headfree.com.cn
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030481067 | ||||||
Subdomains
mail.headfree.com.cn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns19.xincache.com2026-03-11 → 2026-03-27 · 2 obs
● 2026-03-27 18:17:30
●NSns20.xincache.com2026-03-11 → 2026-03-27 · 2 obs
● 2026-03-27 18:17:30
●MXmail.headfree.com.cn2026-03-11 → 2026-03-27 · 2 obs
● 2026-03-27 18:17:30
●A182.61.107.1822026-03-11 → 2026-03-27 · 2 obs
● 2026-03-27 18:17:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| headfree.com.cn | ns19.xincache.com, ns20.xincache.com | - |
✅ Authoritative Response
Server:36.155.149.180
NS records: ns19.xincache.com, ns20.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for headfree.com.cn (unsigned zone)
⏱️ Timing
Total: 1544ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.61.107.182 |
| NS | 2 | ns20.xincache.com, ns19.xincache.com |
| MX | 1 | mail.headfree.com.cn (pri: 10) |
| SOA | 1 | ns19.xincache.com enterprise1dnsadmin.dn |
Analysis
Hierarchy
headfree.com.cn is the parent of mail.headfree.com.cn.
IP Addresses
headfree.com.cn resolves to one IP number: 182.61.107.182.
Other host names, for instance www.hlzz.com, hlzz.com and ccemd.net share IP numbers with headfree.com.cn.
Name Servers
headfree.com.cn is delegated to two name servers ns19.xincache.com and ns20.xincache.com.
headfree.com.cn shares the same name server setup as other domains, for instance jsxcx.com, bodacn.com, deutzparts.net, zjwx.cn and jcyysxh.com.
headfree.com.cn at least partially shares name servers with other domains, for instance wb23.com, jhs8.com, shpubo.com, fxgz.com.cn and xiangyu.com.
these name servers are often used together with ns11.xincache.com, ns12.xincache.com, ns13.xincache.com and ns14.xincache.com.
Eight IP numbers for a host:
ns19.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
Seven IP numbers for a host:
ns20.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.
Mail Servers
headfree.com.cn is handled by a single mail server, mail.headfree.com.cn.
mail.headfree.com.cn resolves to IP 60.166.38.180.